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Numerical Investigation of the Effect of Fuel Preheating on Combustion Process and Emission in a Direct Injection Diesel Engine

Credit to Download: 1 | Page Numbers 6 | Abstract Views: 1832
Year: 2009
Present: شفاهي
COI code: ICICE06_029
Paper Language: English

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Authors Numerical Investigation of the Effect of Fuel Preheating on Combustion Process and Emission in a Direct Injection Diesel Engine

  Samad Jafarmadar - Assistant Prof.- Urmia University
  Ramin Barzegar - MSc. Student- Urmia University
Sina Shafee - MSc. Student-Sahand Univ.of Technology
  Shahram Khalilarya - Assistant Prof.-Urmia University

Abstract:

The effect of fuel preheating on combustion process and emissions in a D.I. diesel engine is investigated using AVL Fire code. Computations are carried out using a three-dimensional model for flows, sprays and combustion in Diesel engines. Four cases for initial fuel temperatures have been studied here as follows:Tfuel =353, 373K as low temperature and Tfuel =473, 523K. It is shown that increasing initial fuel temperature leads to increased atomization of spray and better airfuel mixing. Also, reduced spray penetration due to increased evaporation prevents wall-film formation and considerably decreases soot mass fraction. Mean pressure, temperature, and NOx mass fraction are increased due to improved combustion. The results of model show good agreement with the corresponding data in the literature.

Keywords:

DI diesel engine, CFD, Combustion, Emission, Spray, Fuel preheating, wall-film

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COI code: ICICE06_029

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Jafarmadar, Samad; Ramin Barzegar; Sina Shafee & Shahram Khalilarya, 2009, Numerical Investigation of the Effect of Fuel Preheating on Combustion Process and Emission in a Direct Injection Diesel Engine, 06th International Conference on Internal Combustion Engines, تهران, شركت تحقيق، طراحي و توليد موتور ايران خودرو, https://www.civilica.com/Paper-ICICE06-ICICE06_029.htmlInside the text, wherever referred to or an achievement of this article is mentioned, after mentioning the article, inside the parental, the following specifications are written.
First Time: (Jafarmadar, Samad; Ramin Barzegar; Sina Shafee & Shahram Khalilarya, 2009)
Second and more: (Jafarmadar; Barzegar; Shafee & Khalilarya, 2009)
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Type: state university
Paper No.: 11535
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